Nuclear power can generate electricity without greenhouse gas emissions. However, there are concerns about its safety. Learn about the safety and health concerns associated with the threat of nuclear meltdowns, as well as the challenges involved in storing radioactive waste.he isotope U-235 is important because it can be used in the nuclear fission chain reaction to create a lot of energy. Unlike the uranium used in a nuclear bomb, which is about 90% enriched with the isotope U-235, the uranium used in a nuclear reactor is only slightly enriched, to about four or five percent.
1 Professional sod installation typically costs $500 to $1,000 for a 2,000 sq. ft. or smaller lawn. 2  Per square foot installation costs average $.50 to $1.00. 3  Installing sod on smaller lawns tends to cost more per square foot.
Growers usually have a minimum amount they will sell-usually 500 ft 2 or 1 pallet-so for small projects you'll probably have to pay retail prices at a garden center. Sod farm prices range from $0.15 to $0.37 per ft2 depending on type of grass and delivery fees.Expect to pay at least $0.25 for quality sod-yeah, I've seen prices quoted on the internet as low as $0.08 (ummm...good luck with that). Growers need at least $0.13 to break even (according to 2010 costs of growing sod).rowers usually have a minimum amount they will sell-usually 500 ft 2 or 1 pallet-so for small projects you'll probably have to pay retail prices at a garden center. Sod farm prices range from $0.15 to $0.37 per ft2 depending on type of grass and delivery fees.